Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2076030168', 'doi': 'https://doi.org/10.1002/jae.971', 'title': 'Identification of parameters in normal error component logit‐mixture (NECLM) models', 'display_name': 'Identification of parameters in normal error component logit‐mixture (NECLM) models', 'publication_year': 2007, 'publication_date': '2007-09-01', 'ids': {'openalex': 'https://openalex.org/W2076030168', 'doi': 'https://doi.org/10.1002/jae.971', 'mag': '2076030168'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/jae.971', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85739584', 'display_name': 'Journal of Applied Econometrics', 'issn_l': '0883-7252', 'issn': ['0883-7252', '1099-1255'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5103045879', 'display_name': 'Joan L. Walker', 'orcid': 'https://orcid.org/0000-0002-4407-0823'}, 'institutions': [{'id': 'https://openalex.org/I111088046', 'display_name': 'Boston University', 'ror': 'https://ror.org/05qwgg493', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I111088046']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Joan L. Walker', 'raw_affiliation_strings': ['Department of Geography and Environment Boston University Boston Massachusetts USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Geography and Environment Boston University Boston Massachusetts USA', 'institution_ids': ['https://openalex.org/I111088046']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5029085275', 'display_name': 'Moshe Ben‐Akiva', 'orcid': 'https://orcid.org/0000-0002-9635-9987'}, 'institutions': [{'id': 'https://openalex.org/I63966007', 'display_name': 'Massachusetts Institute of Technology', 'ror': 'https://ror.org/042nb2s44', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I63966007']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Moshe Ben‐Akiva', 'raw_affiliation_strings': ['Department of Civil and Environmental Engineering , Massachusetts Institute of Technology , Cambridge , Massachusetts , USA'], 'affiliations': [{'raw_affiliation_string': 'Department of Civil and Environmental Engineering , Massachusetts Institute of Technology , Cambridge , Massachusetts , USA', 'institution_ids': ['https://openalex.org/I63966007']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5036559379', 'display_name': 'Denis Bolduc', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I43406934', 'display_name': 'Université Laval', 'ror': 'https://ror.org/04sjchr03', 'country_code': 'CA', 'type': 'education', 'lineage': ['https://openalex.org/I43406934']}], 'countries': ['CA'], 'is_corresponding': False, 'raw_author_name': 'Denis Bolduc', 'raw_affiliation_strings': ["Département d'économique, Université Laval, Laval, Canada"], 'affiliations': [{'raw_affiliation_string': "Département d'économique, Université Laval, Laval, Canada", 'institution_ids': ['https://openalex.org/I43406934']}]}], 'institution_assertions': [], 'countries_distinct_count': 2, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3660, 'currency': 'USD', 'value_usd': 3660, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 11.306, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 138, 'citation_normalized_percentile': {'value': 0.999973, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '22', 'issue': '6', 'first_page': '1095', 'last_page': '1125'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10841', 'display_name': 'Economic and Environmental Valuation', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2002', 'display_name': 'Economics and Econometrics'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10841', 'display_name': 'Economic and Environmental Valuation', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2002', 'display_name': 'Economics and Econometrics'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T11911', 'display_name': 'Spatial and Panel Data Analysis', 'score': 0.9789, 'subfield': {'id': 'https://openalex.org/subfields/2002', 'display_name': 'Economics and Econometrics'}, 'field': {'id': 'https://openalex.org/fields/20', 'display_name': 'Economics, Econometrics and Finance'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}, {'id': 'https://openalex.org/T10315', 'display_name': 'Decision-Making and Behavioral Economics', 'score': 0.9709, 'subfield': {'id': 'https://openalex.org/subfields/1800', 'display_name': 'General Decision Sciences'}, 'field': {'id': 'https://openalex.org/fields/18', 'display_name': 'Decision Sciences'}, 'domain': {'id': 'https://openalex.org/domains/2', 'display_name': 'Social Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/normalization', 'display_name': 'Normalization', 'score': 0.8059833}, {'id': 'https://openalex.org/keywords/identification', 'display_name': 'Identification', 'score': 0.5850527}, {'id': 'https://openalex.org/keywords/probit', 'display_name': 'Probit', 'score': 0.45638707}, {'id': 'https://openalex.org/keywords/database-normalization', 'display_name': 'Database normalization', 'score': 0.4221312}], 'concepts': [{'id': 'https://openalex.org/C136886441', 'wikidata': 'https://www.wikidata.org/wiki/Q926129', 'display_name': 'Normalization (sociology)', 'level': 2, 'score': 0.8059833}, {'id': 'https://openalex.org/C140331021', 'wikidata': 'https://www.wikidata.org/wiki/Q1868104', 'display_name': 'Logit', 'level': 2, 'score': 0.7552115}, {'id': 'https://openalex.org/C149782125', 'wikidata': 'https://www.wikidata.org/wiki/Q160039', 'display_name': 'Econometrics', 'level': 1, 'score': 0.6406139}, {'id': 'https://openalex.org/C116834253', 'wikidata': 'https://www.wikidata.org/wiki/Q2039217', 'display_name': 'Identification (biology)', 'level': 2, 'score': 0.5850527}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.5369657}, {'id': 'https://openalex.org/C178650346', 'wikidata': 'https://www.wikidata.org/wiki/Q201984', 'display_name': 'Covariance', 'level': 2, 'score': 0.51626897}, {'id': 'https://openalex.org/C184314375', 'wikidata': 'https://www.wikidata.org/wiki/Q3117995', 'display_name': 'Probit', 'level': 2, 'score': 0.45638707}, {'id': 'https://openalex.org/C151956035', 'wikidata': 'https://www.wikidata.org/wiki/Q1132755', 'display_name': 'Logistic regression', 'level': 2, 'score': 0.43597728}, {'id': 'https://openalex.org/C67257552', 'wikidata': 'https://www.wikidata.org/wiki/Q635217', 'display_name': 'Probit model', 'level': 2, 'score': 0.43446857}, {'id': 'https://openalex.org/C162984825', 'wikidata': 'https://www.wikidata.org/wiki/Q339072', 'display_name': 'Database normalization', 'level': 3, 'score': 0.4221312}, {'id': 'https://openalex.org/C105795698', 'wikidata': 'https://www.wikidata.org/wiki/Q12483', 'display_name': 'Statistics', 'level': 1, 'score': 0.34412333}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.3242076}, {'id': 'https://openalex.org/C154945302', 'wikidata': 'https://www.wikidata.org/wiki/Q11660', 'display_name': 'Artificial intelligence', 'level': 1, 'score': 0.15438658}, {'id': 'https://openalex.org/C119857082', 'wikidata': 'https://www.wikidata.org/wiki/Q2539', 'display_name': 'Machine learning', 'level': 1, 'score': 0.1532107}, {'id': 'https://openalex.org/C153180895', 'wikidata': 'https://www.wikidata.org/wiki/Q7148389', 'display_name': 'Pattern recognition (psychology)', 'level': 2, 'score': 0.07976583}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C144024400', 'wikidata': 'https://www.wikidata.org/wiki/Q21201', 'display_name': 'Sociology', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C19165224', 'wikidata': 'https://www.wikidata.org/wiki/Q23404', 'display_name': 'Anthropology', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/jae.971', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S85739584', 'display_name': 'Journal of Applied Econometrics', 'issn_l': '0883-7252', 'issn': ['0883-7252', '1099-1255'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320595', 'host_organization_name': 'Wiley', 'host_organization_lineage': ['https://openalex.org/P4310320595'], 'host_organization_lineage_names': ['Wiley'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 47, 'referenced_works': ['https://openalex.org/W123430343', 'https://openalex.org/W1525696627', 'https://openalex.org/W1564703359', 'https://openalex.org/W1582814875', 'https://openalex.org/W1979258712', 'https://openalex.org/W1980457222', 'https://openalex.org/W1982197631', 'https://openalex.org/W1997460040', 'https://openalex.org/W2003675029', 'https://openalex.org/W2010823855', 'https://openalex.org/W2018930518', 'https://openalex.org/W2019302713', 'https://openalex.org/W2020682813', 'https://openalex.org/W2028754797', 'https://openalex.org/W2031424108', 'https://openalex.org/W2032151749', 'https://openalex.org/W2047642457', 'https://openalex.org/W2052540727', 'https://openalex.org/W2054012260', 'https://openalex.org/W2068132242', 'https://openalex.org/W2077810459', 'https://openalex.org/W2087931642', 'https://openalex.org/W2088263625', 'https://openalex.org/W2107461594', 'https://openalex.org/W2112708114', 'https://openalex.org/W2116632816', 'https://openalex.org/W2118804519', 'https://openalex.org/W2137344397', 'https://openalex.org/W2137734108', 'https://openalex.org/W2140120447', 'https://openalex.org/W2149042816', 'https://openalex.org/W2152081677', 'https://openalex.org/W2152965974', 'https://openalex.org/W2159204218', 'https://openalex.org/W2162487260', 'https://openalex.org/W2166093239', 'https://openalex.org/W223708877', 'https://openalex.org/W2319254568', 'https://openalex.org/W245387374', 'https://openalex.org/W3121296515', 'https://openalex.org/W3123295957', 'https://openalex.org/W3123369667', 'https://openalex.org/W3125897218', 'https://openalex.org/W35337408', 'https://openalex.org/W4237564840', 'https://openalex.org/W4252978187', 'https://openalex.org/W581058365'], 'related_works': ['https://openalex.org/W4232966784', 'https://openalex.org/W3130477596', 'https://openalex.org/W2530396238', 'https://openalex.org/W2468414620', 'https://openalex.org/W2325840652', 'https://openalex.org/W2323744911', 'https://openalex.org/W2130048491', 'https://openalex.org/W2055288094', 'https://openalex.org/W1590848475', 'https://openalex.org/W1534387362'], 'abstract_inverted_index': {'Abstract': [0], 'Although': [1], 'the': [2, 25, 110, 126, 160, 164, 170], 'basic': [3], 'structure': [4], 'of': [5, 27, 42, 185], 'logit‐mixture': [6, 30, 146], 'models': [7, 31, 55, 108, 147], 'is': [8, 80, 100, 136], 'well': [9, 89], 'understood,': [10], 'important': [11], 'identification': [12, 26, 127, 135], 'and': [13, 68, 71, 105, 128, 157, 173, 188, 199], 'normalization': [14, 92, 129, 142], 'issues': [15, 22, 143], 'often': [16], 'get': [17], 'overlooked.': [18], 'This': [19, 115], 'paper': [20], 'addresses': [21], 'related': [23], 'to': [24, 74, 93, 103, 169], 'parameters': [28, 85], 'in': [29, 145, 151], 'containing': [32], 'normally': [33], 'distributed': [34], 'error': [35, 46], 'components': [36], 'associated': [37], 'with': [38, 118, 193], 'alternatives': [39, 43], 'or': [40, 51, 112], 'nests': [41], '(': [44], 'normal': [45], 'component': [47], 'logit': [48], 'mixture': [49], ',': [50], 'NECLM,': [52, 161], 'models).': [53], 'NECLM': [54, 97, 107], 'include': [56], 'special': [57, 186], 'cases': [58], 'such': [59], 'as': [60, 88, 90], 'unrestricted,': [61], 'fixed': [62], 'covariance': [63], 'matrices;': [64], 'alternative‐specific': [65], 'variances;': [66], 'nesting': [67], 'cross‐nesting': [69], 'structures;': [70], 'some': [72], 'applications': [73], 'panel': [75], 'data.': [76, 201], 'A': [77], 'general': [78], 'framework': [79], 'presented': [81], 'for': [82, 140, 182], 'determining': [83], 'which': [84, 121], 'are': [86, 148, 179, 191], 'identified': [87], 'what': [91], 'impose': [94], 'when': [95], 'specifying': [96], 'models.': [98, 154], 'It': [99], 'generally': [101], 'necessary': [102], 'specify': [104], 'estimate': [106], 'at': [109], 'levels,': [111], 'structural,': [113], 'form.': [114], 'precludes': [116], 'working': [117], 'utility': [119], 'differences,': [120], 'would': [122], 'otherwise': [123], 'greatly': [124], 'simplify': [125], 'process.': [130], 'Our': [131], 'results': [132], 'show': [133], 'that': [134], 'not': [137, 149], 'always': [138], 'intuitive;': [139], 'example,': [141], 'present': [144, 150], 'analogous': [152], 'probit': [153], 'To': [155], 'identify': [156], 'properly': [158], 'normalize': [159], 'we': [162], 'introduce': [163], '‘equality': [165], 'condition’,': [166], 'an': [167], 'addition': [168], 'standard': [171], 'order': [172], 'rank': [174], 'conditions.': [175], 'The': [176], 'identifying': [177], 'conditions': [178], 'worked': [180], 'through': [181], 'a': [183], 'number': [184], 'cases,': [187], 'our': [189], 'findings': [190], 'demonstrated': [192], 'empirical': [194], 'examples': [195], 'using': [196], 'both': [197], 'synthetic': [198], 'real': [200], 'Copyright': [202], '©': [203], '2007': [204], 'John': [205], 'Wiley': [206], '&': [207], 'Sons,': [208], 'Ltd.': [209]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2076030168', 'counts_by_year': [{'year': 2024, 'cited_by_count': 11}, {'year': 2023, 'cited_by_count': 6}, {'year': 2022, 'cited_by_count': 8}, {'year': 2021, 'cited_by_count': 11}, {'year': 2020, 'cited_by_count': 5}, {'year': 2019, 'cited_by_count': 13}, {'year': 2018, 'cited_by_count': 6}, {'year': 2017, 'cited_by_count': 8}, {'year': 2016, 'cited_by_count': 9}, {'year': 2015, 'cited_by_count': 12}, {'year': 2014, 'cited_by_count': 9}, {'year': 2013, 'cited_by_count': 8}, {'year': 2012, 'cited_by_count': 5}], 'updated_date': '2024-12-08T22:32:01.137606', 'created_date': '2016-06-24'}